Toyota, Japan

Shirou Matsuo

This inventor holds 1 USPTO granted patent. Top assignee: Toyota Jidosha Kabushiki Kaisha. Active years: 1987.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shirou Matsuo. Retrieved from https://idiyas.com/inventor/shirou-matsuo

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 1

Forward Citations = 6(Granted Patents)


Company Filing History:


Years Active: 1987

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1 patent (USPTO):Explore Patents

Title: Shirou Matsuo: Innovator in Exhaust Gas Recirculation Technology

Introduction

Shirou Matsuo is a notable inventor based in Toyota, Japan. He has made significant contributions to automotive technology, particularly in the area of exhaust gas recirculation systems. His innovative work has led to the development of a patented apparatus that enhances engine performance and efficiency.

Latest Patents

Matsuo holds a patent for an "Exhaust gas recirculation apparatus for engine with turbocharger." This invention is designed to control the amount of exhaust gas recirculated back into the engine, which is crucial for optimizing performance in turbocharged engines. The apparatus includes an EGR valve that regulates the flow of exhaust gases and a vacuum adjustment valve that manages the vacuum supplied to the EGR valve. This technology ensures that the EGR valve operates effectively, even when the engine is outside the normal operating range.

Career Highlights

Shirou Matsuo is currently employed at Toyota Jidosha Kabushiki Kaisha, where he continues to innovate in the field of automotive engineering. His work has been instrumental in advancing technologies that contribute to cleaner and more efficient engines. With a focus on practical applications, Matsuo's inventions reflect a deep understanding of engineering principles and environmental considerations.

Collaborations

Matsuo has collaborated with esteemed colleagues such as Hiroshi Nakamura and Noriaki Kawai. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of cutting-edge technologies in the automotive sector.

Conclusion

Shirou Matsuo's contributions to exhaust gas recirculation technology exemplify the spirit of innovation in the automotive industry. His patented inventions not only enhance engine performance but also contribute to environmental sustainability. Through his work at Toyota, Matsuo continues to pave the way for future advancements in automotive engineering.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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